is300 rear 4 pot brake kit

{"cid":"91195988","title":"Front P60NS 6 Pot Caliper And Rear P4-explore 4 Pot Caliper Big Brake KIt For Mercedes-Benz E300h 18 Inch Car Rim","imgUrl":"https:\/\/img.chinax.com\/nimg\/cb\/89\/42e4678c4a0d5fabb3b6513109f4-200x200-1.jpg","attrs":{"Brand Name":"TEI Racing","Model Number":"P60NS","Minimum Order Quantity":"1 Set","Delivery Time":"10-15days","Certification":"China National Inspection Agency","Place of Origin":"China","Payment Terms":"T\/T, Western Union, MoneyGram Paypal","Supply Ability":"2000 sets per month","Packaging Details":"42*42*42cm Brand Box","Material":"Aerial 6082 Aluminum Alloy","Pistons Quantity":"6 piston","Piston size":"52.41 CM2","Color":"Reb Blue Yellow Black Silver Green","Weight":"40 KG","Disc Size":"Front 355*32 and rear 355*28","Wheel size":"18 Inch"}}

{"cid":"91211692","title":"Yellow 18Z 4 Pot Brake Calipers Kits For Toyota Crown Rear 18 Inch Rim Upgrade","imgUrl":"https:\/\/img.chinax.com\/nimg\/2f\/1d\/74fb0c13f92e1f26fe1d0dc67938-200x200-1.jpg","attrs":{"Price":"USD,set","Brand Name":"Velocette","Model Number":"18Z","Minimum Order Quantity":"10 sets","Delivery Time":"14 working days","Certification":"ISO","Place of Origin":"China","Payment Terms":"MoneyGram, Western Union, T\/T","Supply Ability":"1000+pair+month","Packaging Details":"Box 45*45*45","Front wheel or rear wheel":"Rear Wheel","Wheel hub size":"18 inch above","Pistons":"4 Pot","Packing Size":"Paper Box 45*45*45","Disc Size":"330MM 345MM 370MM"}}